performance:
performance:

Recover gracefully if psutil can't read process memory info due to an
AccessDenied error. If this happens, the process in question is discarded
from the monitored and is not checked anymore.


Former-commit-id: b813cb69a38c30536470956463d74afcd200da97
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine